动词
中文翻译：说坏话
同义词：
['spread slander', 'speak ill of', 'slander']
例句：
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1. She's always badmouthingher co-worker behind his back.
她总是在背后诽谤她的同事。
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2. The companyis accused of badmouthing its competitorsin the press.
该公司被指控在媒体上诽谤其竞争对手。
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3. He was caught bythe police for badmouthing his boss.
他被警察抓到了，因为他诽谤了他的老板。